Dongguan Inotakurika Zvishandiso senyanzvi yekugadzira pane saiti muchina maturusi, isu tinogadzira epasaiti muchina maturusi, anosanganisira anotakurika mutsara unobhowa muchina, inotakurika flange yakatarisana muchina, inotakurika muchina wekugaya uye zvimwe zviri pasaiti maturusi maererano nezvaunoda. ODM/OEM inogamuchirwa sezvinodiwa.
Pasaiti boring barsechikamu cheanotakurika mutsara unobhowa muchina, tinogona kuita iyo inofinha bhaa kureba kusvika 2000-12000 metres zvinoenderana nehukuru hwakasiyana. Uye iyo dhayamita inofinha inogona kugadziridzwa kubva pa30mm-250mm zvinoenderana nesaiti sevhisi mamiriro.
Iyo yekugadzirisa mabhawa anofinha anonyanya kusanganisira anotevera matanho:
Kugadzira zvinhu: Chekutanga, zvichienderana nehukuru uye chimiro chebhawa rinofinha kuti rigadziriswe, sarudza yakakodzera mbishi yekucheka zvinhu.
Hammering: Hammer zvinhu zvakachekwa kuti uvandudze chimiro uye kuita kwezvishandiso.
Annealing: Kuburikidza neannealing kurapwa, kushushikana uye hurema mukati mechinhu chinobviswa, uye plastiki uye kuoma kwezvinhu kunovandudzwa.
Yakakasharara machining: Ita yekutanga mechanicha kugadzirisa, kusanganisira kutendeuka, kugaya uye mamwe maitiro, kugadzira iyo yakakosha chimiro chebhawa rinofinha.
Kudzima uye kudzikisira : Kuburikidza nekudzimisa uye kudziya kurapwa, zvinhu zvacho zvinowana yakanaka yakazara mejini zvivakwa, zvinosanganisira kusimba kwepamusoro uye kuoma kwakanyanya.
Kupedza: Kuburikidza nekukuya uye mamwe maitiro, bhaa inobhowa inogadziriswa zvakanaka kuti iwane saizi inodiwa uye chimiro chaicho.
Yepamusoro tembiricha tembiricha: Kuwedzera kunatsiridza michina yezvinhu uye kuderedza kushushikana kwemukati.
Kukuya: Itai kukuya kwekupedzisira kwebhara rinofinha kuti ive nechokwadi chepamusoro pemhando uye chiyero chechokwadi.
Kupisa: Kupisa kunoitwa zvakare kudzikamisa chimiro uye kuderedza deformation.
Nitriding: Iyo pamusoro pebhawa inofinha inokwenenzverwa kuvandudza kuomarara kwayo uye kupfeka kuramba.
Kuchengeta (kuisirwa): Mushure mese kugadzirisa kwapera, iyo inobhowa bar inochengetwa kana yakananga kuiswa kuti ishandiswe.
Kusarudzwa kwezvinhu uye kurongeka kwekurapa kwekupisa kwemabhawa anofinha
Mabhawa anobhowa anowanzo gadzirwa nezvinhu zvine simba rakawanda, kupfeka kwepamusoro kuramba uye kupikisa kwakanyanya, senge 40CrMo alloy structural simbi. Iyo yekupisa kurapwa maitiro inosanganisira normalizing, tempering uye nitriding. Normalizing inogona kunatsa chimiro, kuwedzera simba uye kuoma; kupisa kunogona kubvisa kugadzirisa kushushikana uye kuderedza deformation; nitriding inowedzera kunatsiridza kuomarara kwepasi uye kupfeka kuramba.
Matambudziko akajairika uye mhinduro dzemabhawa anofinha
Matambudziko akajairika muinobhowa bar kugadzirisa maitiro anosanganisira vibration uye deformation. Kuti uderedze kudengenyeka, nzira dzakawanda dzekucheka dzinogona kushandiswa, dzakadai sekushandisa boring cutter disc, iyo inogona kuvandudza zvakanyanya kugadzirisa kushanda uye kugadzikana.
Kuti uchengetedze deformation, kurapwa kwakakodzera kwekupisa uye kugadziriswa kwemaitiro ekugadzirisa zvinodiwa panguva yekugadzirisa. Uye zvakare, deformation control panguva yakaoma nitriding yakakoshawo, uye mhando inoda kuoneswa kuburikidza nekuyedzwa uye kugadzirisa maitiro.
Bhawa rinobhowandechimwe chezvikamu zvakakosha zvemuchina chishandiso. Iyo inotsamira pamakiyi maviri ekutungamira kutungamira uye kuenda kumberi uye kumashure axially kuti uwane axial feed. Panguva imwecheteyo, iyo hollow spindle inoita inotenderera inofamba kuburikidza nekiyi yekufambisa torque kuti iwane kutenderera kutenderera. Iyo inofinha bhaa ndiyo musimboti wekufamba kukuru kwechishandiso chemuchina, uye mhando yekugadzira kwayo ine simba rakanyanya kukosha pakushanda kwechishandiso chemuchina. Naizvozvo, kuongorora uye kudzidza maitiro ekugadzirisa bhaa rinofinha kwakakosha zvikuru kune kuvimbika, kugadzikana uye kunaka kwechishandiso chemuchina.
Kusarudzwa kwezvinhu zvinofinha zvebhawa
Iyo inobhowa bhaa ndicho chinhu chikuru cheiyo huru yekutapurirana uye inoda kuve yakakwira michina zvimiro senge kubhenda kuramba, kupfeka kuramba uye kukanganisa kuoma. Izvi zvinoda kuti bhaa rinobhowa rive nekuoma kwakakwana mukati uye kuoma kwakakwana pamusoro. Iyo kabhoni yemukati ye38CrMoAlA, yemhando yepamusoro alloy dhizaini simbi, inoita kuti simbi ive nesimba rakakwana, uye alloy zvinhu zvakaita seCr, Mo, uye Al zvinogona kugadzira chikamu chakaomarara chakaparadzirwa nekabhoni uye chakagovaniswa zvakaenzana mumatrix. Kana ichiiswa kune kushushikana kwekunze, inotamba mechanical chipingamupinyi uye inosimbisa. Pakati pavo, kuwedzerwa kweCr kunogona kuwedzera zvakanyanya kuoma kweiyo nitriding layer, kuvandudza kuoma kwesimbi uye kusimba kwepakati; kuwedzera kweAl kunogona kuwedzera zvakanyanya kuoma kweiyo nitriding layer uye kunatsa zviyo; Mo inonyanya kubvisa kushatirwa kwesimbi. Mushure memakore ekuyedzwa nekuongorora, 38CrMoAlA inogona kuzadzisa zvinonyanya kuita zvinodiwa zvemabhawa anofinha uye parizvino ndiyo yekutanga sarudzo yezvinhu zvinofinha zvebhawa.
Boring bar kupisa kurapwa kuronga uye basa
Kurongeka kwekurapa kwekupisa: normalizing + tempering + nitriding. Boring bar nitriding inhanho yekupedzisira mukupisa kurapwa. Kuti uite iyo inobhowa bar musimboti ive neinodiwa michina zvivakwa, kubvisa kushushikana kwekugadzirisa, kuderedza deformation panguva yekuita nitriding, uye kugadzirira chimiro cheyakanakisa nitriding layer, iyo inobhowa bhaa inoda kunyatsogadziriswa pre-kupisa isati yasvika nitriding, kureva normalizing uye kupisa.
(1) Kuita zvakajairika. Normalizing ndiko kupisa simbi kusvika pamusoro petembiricha yakaoma, kuichengeta kwenguva yakati rebei, wozoitonhodza nemhepo. Iyo yekutonhodza inomhanya zvishoma. Mushure mekugadzirisa, iyo yakajairika chimiro ndeye blocky "ferrite + pearlite", chikamu chechimiro chinonatswa, simba uye kuoma kunowedzera, kushushikana kwemukati kunoderedzwa, uye kucheka kwekuita kunovandudzwa. Kushanda kunotonhora hakudiwi kusati kwajairika, asi iyo oxidation uye decarburization layer inogadzirwa ne normalizing inotungamira kune zvakaipira zvakadai sekuwedzera brittleness uye kusakwana kuomarara mushure mekuita nitriding, saka yakakwana yekubvumidza yekugadziriswa inofanira kusiiwa mumaitiro ejairika.
(2) Kushatirwa. Huwandu hwekugadzirisa mushure mekujairana hwakakura, uye huwandu hukuru hwema mechanical processing stress huchaitwa mushure mekucheka. Kuti ubvise iyo mechaniki yekugadzirisa kushushikana mushure mekuita kwakashata uye kuderedza deformation panguva ye nitriding, zvinodikanwa kuwedzera kurapwa kwekupisa mushure mekugadzirisa kwakashata. Kupisa ndeyekupisa-kupisa kwekupisa mushure mekudzima, uye chimiro chakawanikwa chakanaka troostite. Zvikamu mushure mekupisa zvine kusimba uye simba rakakwana. Zvikamu zvakawanda zvakakosha zvinoda kudzikiswa.
(3) Musiyano pakati peiyo normalizing matrix chimiro uye "normalizing + tempering" matrix chimiro. Iyo matrix chimiro mushure mekuita normalizing ndeye blocky ferrite uye pearlite, nepo matrix chimiro mushure me "normalizing + tempering" yakanaka troostite chimiro.
(4) Nitriding. Nitriding inzira yekurapa yekupisa inoita kuti chikamu chechikamu chive nekuoma kwakanyanya uye kupfeka kusagadzikana, nepo musimboti uchichengetedza simba rekutanga uye kuoma. Simbi ine chromium, molybdenum kana aruminiyamu inowana yakaringana mhedzisiro mushure mekuita nitriding. Hunhu hweiyo workpiece mushure me nitriding: ① Iyo pamusoro peiyo workpiece isirivha-grey uye matte. ② Kuoma kwepamusoro kwechishandiso ndeye ≥1 000HV, uye kuoma kwepamusoro mushure mekugaya ndiko ≥900HV. ③ Kudzika kweiyo nitriding layer ndeye ≥0.56mm, uye kudzika mushure mekugaya ndeye> 0.5mm. ④ Iyo nitriding deformation inoda runout ≤0.08mm. ⑤ Brittleness level 1 kusvika 2 inokodzera, iyo inogona kuwanikwa mukugadzirwa chaiko, uye zviri nani mushure mekugaya.
(5) Musiyano wechimiro pakati pe "normalizing + nitriding" uye "normalizing + tempering + nitriding". Iyo nitriding mhedzisiro ye "normalizing + quenching uye tempering + nitriding" iri nani zvakanyanya pane iyo ye "normalizing + nitriding". Muchimiro che nitriding che "normalizing + nitriding", pane zviri pachena zvakavharika uye zvakakasharara zvakaita tsono brittle nitrides, iyo inogona zvakare kushandiswa sereferensi yekuongorora chiitiko chenitriding layer yekudeurwa yemabhawa anofinha.
Kupedzisa maitiro ekufinha mabara:
Maitiro: kuvhara → kuenzanisa → kuchera uye buri repakati pepakati → kutenderedza → kudzima nekudzikamisa → kupenengura zvishoma → kukuya kwekunze kwedenderedzwa → kukuya kweburi repaburi → kukwenya → kugaya kwegoro rega rega → kuona kukanganisa → kugaya → kugaya → kugaya kubvumira → kukuya. kukuya kwepakati-kupedza denderedzwa rekunze → kukuya zvishoma-kupera kwegomba remukati → nitriding → kukuya zvishoma-kupera kwegomba rematepi (kuchengeta mvumo yekukuya yakanaka) → kukuya kwehafu yedenderedzwa rekunze (kuchengeta mvumo yekugaya zvakanaka) → kukuya kwenzira huru → kugaya → kugaya denderedzwa rekunze → kukuya . denderedzwa rekunze → kukwenenzvera → kusungirira.
Kupedzisa maitiro ekufinha mabhawa. Sezvo bhara rinobhowa richida kuve nitrided, maviri semi-yekupedzisira ekunze denderedzwa maitiro akanyatso kurongwa. Yekutanga semi-yekupedzisira kugaya inorongwa isati yaitwa nitriding, chinangwa ndechekuisa hwaro hwakanaka hwekurapa nitriding. Izvo zvinonyanya kudzora kubvumidzwa uye geometric kurongeka kwebhari rinofinha usati wakuya kuti uone kuti kuoma kweiyo nitriding layer mushure me nitriding iri pamusoro pe900HV. Kunyangwe iyo yekukotama deformation idiki panguva ye nitriding, iyo deformation isati yaita nitriding haifanirwe kugadziriswa, zvikasadaro inogona kungove yakakura kupfuura iyo yekutanga deformation. Yedu fekitori maitiro anoona kuti yekunze denderedzwa mvumo panguva yekutanga semi-yekupedzisira kugaya ndeye 0.07 ~ 0.1mm, uye yechipiri semi-yekupedzisira kugaya nzira inorongwa mushure mekukuya kwakanaka kwegomba rakapetwa. Iyi nzira inoisa musimboti wekukuya mugomba rakapetwa, uye migumo miviri inosundirwa kumusoro. Imwe magumo inosundidzira buri repakati pechekumagumo kumeso kwebhara rinofinha, uye imwe magumo inosundira buri repakati pepakati pekukuya. Ipapo denderedzwa rekunze rinogadzika neforoma yepakati furemu, uye simbi yekukuya haina kubviswa. Iyo spline grinder inotenderedzwa kukuya kiyi nzira. Yechipiri semi-kupedza kugaya kwechitenderedzwa chekunze ndechekuita kuti kushushikana kwemukati kunokonzerwa panguva yekukuya kwakanaka kwekunze kwekunze kuratidze kutanga, kuitira kuti kunyatsogadziriswa kwekutsvaira kwekiyi kugadziriswe uye kugadzikana. Nekuti pane hwaro hwekupedza semi-kupedzisa denderedzwa rekunze, pesvedzero pakiyi nzira panguva yekukuya yakanaka yedenderedzwa rekunze idiki kwazvo.
Iyo kiyi nzira inogadziriswa uchishandisa spline grinder, ine mugumo wakatarisana nepakati peburi rediki magumo kumeso kwebhaa rinofinha uye imwe magumo yakatarisana nepakati pegomba rekukuya. Nenzira iyi, kana uchikuya, kiyi yacho yakatarisa kumusoro, uye kubhenda deformation yekunze denderedzwa uye kutwasanuka kwemuchina wegiyadhi yemuchina inongokanganisa pasi pegorofu, uye haina mhedzisiro pamativi maviri egorofu. Kana dhizaini njanji grinder ikashandiswa kugadzirisa, deformation inokonzerwa nekutwasanuka kwemuchina wekushandisa giyadhi uye kufa kweiyo inobhowa bar kunokanganisa kutwasuka kwekiyi nzira. Kazhinji, zviri nyore kushandisa spline grinder kusangana nezvinodiwa zvekutwasanuka uye parallelism yekiyi nzira.
Iyo yekunze denderedzwa kukuya kwakanaka kwebhari inofinha inoitwa pane grinder yepasirese, uye nzira inoshandiswa ndeye longitudinal chishandiso chepakati nzira yekukuya.
Iyo yekubuda kwegomba re tapered ndiyo yakakura yakapedzwa chigadzirwa chechokwadi chemuchina unofinha. Zvinodiwa zvekupedzisira pakugadziriswa kwegomba rakatemwa ndezvi: ① Kubuda kwegomba rakatepwa kusvika kudhayamita rekunze kunofanirwa kuve 0.005mm pamagumo echirukwa uye 0.01mm pa300mm kubva kumagumo. ② Nzvimbo yekubata yegomba rakadhindwa i70%. ③ Hukoshi hwehukukutu hwegomba rakapetwa ndiRa=0.4μm. Nzira yekupedzisa yegomba rakasvibiswa: imwe ndeyekusiya mvumo, uye ipapo kusangana kwegomba rakasvibiswa rinosvika pakugadzirisa chigadzirwa chekupedzisira nekuzvigaya panguva yegungano; imwe yacho ndeyekusangana zvakananga nezvinodiwa zvehunyanzvi panguva yekugadzirisa. Fekitari yedu ikozvino inotora nzira yechipiri, iko kushandisa chivharo kusungirira kumucheto kumashure kwebhari rinofinha M76X2-5g, shandisa furemu yepakati kuseta denderedzwa rekunze φ 110h8MF kumucheto kumberi, shandisa micrometer kurongedza denderedzwa rekunze φ 80js6, uye kukuya gomba rakapetwa.
Kukuya nekukwenenzvera ndiyo yekupedzisira kupedzisa kwebhawa rinofinha. Kukuya kunogona kuwana yakakwira dimensional kurongeka uye kuderera kwepamusoro roughness. Kazhinji kutaura, midziyo yeguyo yakapfava kupfuura iyo workpiece uye ine chimiro chakafanana. Inonyanya kushandiswa isimbi yakakandwa grinding tool (ona Mufananidzo 10), iyo yakakodzera kugadzirisa zvinhu zvakasiyana-siyana zvekushanda uye kukuya zvakanaka, inogona kuvimbisa kunaka kwekukuya uye kubudirira kwepamusoro, uye chigadziro chiri nyore kugadzira uye chine mari shoma. Mukuita kugaya, mvura yekukuya haingoite basa rekusanganisa mabrasives nekuzora nekutonhodza, asi inoitawo kemikari basa rekumhanyisa kugaya. Ichanamatira pamusoro pebasa rekushanda, zvichiita kuti firimu ye oxide iite pamusoro pebasa rekushanda nokukurumidza, uye inobata basa mukugadzirisa zvigaro pamusoro pebasa rekushanda uye kudzivirira mipata pamusoro pebasa rekushanda. Iyo abrasive inoshandiswa muboring bar kugaya musanganiswa wewhite corundum poda yewhite aluminium oxide uye parafini.
Kunyangwe bhaa rinobhowa rakawana kunaka kwedimensional kurongeka uye kuderera kwepasi roughness mushure mekukuya, nzvimbo yaro yakanyudzwa nejecha uye itema. Mushure mekunge bhara rinofinha raunganidzwa negomba rekuruka, mvura yakasviba inoyerera ichibuda. Kuti tibvise jecha rekukuya rakaiswa pamusoro pebhawa rinofinha, fekitori yedu inoshandisa yakazvigadzira yekupukuta mudziyo kukwenenzvera pamusoro pebhari rinofinha negirinhi chromium oxide. Mhedzisiro chaiyo yakanaka kwazvo. Iyo yepamusoro yebhari inofinha inopenya, yakanaka uye isingadziviriri.
Boring bar kuongorora
(1) Ongorora kutwasuka. Isa simbi dzakaita seV dzehurefu hwakaenzana papuratifomu ye0-level. Isa bhari rinobhoweka pane simbi yakaita V, uye nzvimbo yeV-yakaita simbi iri pa 2/9L ye φ 110h8MF (ona Mufananidzo 11). Kushivirira kwekutwasuka kwehurefu hwese hwebhawa inofinha ndeye 0.01mm.
Kutanga, shandisa micrometer kutarisa isometry yemapoinzi A uye B pa2/9L. Kuverengwa kwemapoinzi A uye B ndiko 0. Zvadaro, pasina kufambisa bhari rinofinha, yera hurefu hwepakati uye maviri ekupedzisira pfungwa a, b, uye c, uye nyora maitiro; chengetedza bhaa rinobhowa axially rakamira, shandura bhari rinofinha 90 ° neruoko, uye shandisa micrometer kuyera kureba kwemapoinzi a, b, uye c, uye nyora kukosha; wobva washandura bhara rinofinha 90°, woyera kureba kwemapoinzi a, b, uye c, uye nyora kukosha. Kana pasina imwe yeanoonekwa kukosha inodarika 0.01mm, zvinoreva kuti inokwanisa, uye zvinopesana.
(2) Tarisa saizi, kutenderera, uye cylindricity. Iyo dhayamita yekunze yebhara inofinha inotariswa nekunze micrometer. Kamura hurefu hwakazara hwenzvimbo yakakwenenzverwa yebhara rinofinha φ 110h8MF kuita zvikamu gumi nenomwe zvakaenzana, uye shandisa dhayamita yekunze ye micrometer kuyera dhayamita mukurongeka kwe radial a, b, c, uye d, uye nyora iyo data yakayerwa mune inobhowa bar yekuongorora rekodhi tafura.
Cylindricity error inoreva musiyano wedhayamita mune imwe nzira. Zvinoenderana neakachinjika kukosha mutafura, iyo cylindricality kukanganisa munzira ndeye 0, kukanganisa mu b direction ndeye 2μm, kukanganisa mu c direction 2μm, uye kukanganisa mu d direction 2μm. Tichitarisa mativi mana a, b, c, uye d, mutsauko uripo pakati pehupamhi uye hudiki kukosha ndiyo yechokwadi cylindricity kukanganisa kwe2μm.
Iko kukanganisa kwekutenderera kunofananidzwa nemakoshero mumitsara yakatwasuka yetafura, uye iyo yakanyanya kukosha yemusiyano pakati pezvikoshi inotorwa. Kana iyo inofinha bhari yekuongorora ikakundikana kana chimwe chezvinhu zvinodarika kushivirira, zvinodikanwa kuti urambe uchikuya nekupukuta kusvikira yapfuura.
Uye zvakare, panguva yekuongorora, kutarisisa kunofanirwa kubhadharwa kune pesvedzero yekushisa kwekamuri uye tembiricha yemuviri wemunhu (yakabata micrometer) pamhedzisiro yekuyerwa, uye kutarisisa kunofanirwa kubhadharwa kubvisa zvikanganiso zvekuregeredza, kudzikisira pesvedzero yezvikanganiso zvekuyera, uye kuita kuti kuyerwa kuve kwakajeka sezvinobvira.
Kana iwe uchida iyopane saiti boring barcustomzied, unogamuchirwa kuti utaure nesu kuti uwane rumwe ruzivo.
